Roadracer,

I cannot tell what you are actually using for tools. I use a 10 mm hex bit in a socket like holder with a half inch drive. I then use a half inch drive ratchet. The hex bits are available at Sears for a couple of bucks. I have yet to meet with one of these that I cannot break loose and remove. I have used extensions on some of the fasteners to clear knuckle scraping obstacles. Hope this helps, Jim

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Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)